/**
 * This class contains the commands that are used 
 * in the program.
 * @author SB
 *
 */
public class Command {
	private String temp_last_name; // this data is used to store the name of Contact object.
	
	/**
	 * This method checks the last name for existence
	 * then instantiate a new Contact object with the
	 * appropriate name.(If saving changes is not 
	 * implemented by quit command, then saves the contact
	 * to memory.)
	 * @author SB
	 */
	public static void addContact(String new_contact) {
	}
	
	/**
	 * This method prints the information of 
	 * the passed Contact using its lastname.
	 * @author SB
	 */
	public static void printContact() {
		 
	}
	
	/**
	 * This method prints the whole 
	 * contact list to the display.
	 * @author SB
	 */
	public static void printAll() {
		
	}
	
	/**
	 * This method quits the program after prompting
	 * for saving the data and writing them to a file
	 * when asked.
	 * @author SB
	 */
	public static void saveChanges() {
	
	}

}
